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/* This file is part of the KDE project
Copyright (C) 2004 Jaroslaw Staniek <[email protected]>
Copyright (C) 2004 Martin Ellis <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <tqcstring.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqfile.h>
#include <kdebug.h>
#include "mysqlconnection_p.h"
#include <kexidb/connectiondata.h>
#ifdef MYSQLMIGRATE_H
#define NAMESPACE KexiMigration
#else
#define NAMESPACE KexiDB
#endif
using namespace NAMESPACE;
/* ************************************************************************** */
MySqlConnectionInternal::MySqlConnectionInternal(KexiDB::Connection* connection)
: ConnectionInternal(connection)
, mysql(0)
, mysql_owned(true)
, res(0)
{
}
MySqlConnectionInternal::~MySqlConnectionInternal()
{
if (mysql_owned && mysql) {
mysql_close(mysql);
mysql = 0;
}
}
void MySqlConnectionInternal::storeResult()
{
res = mysql_errno(mysql);
errmsg = mysql_error(mysql);
}
/* ************************************************************************** */
/*! Connects to the MySQL server on host as the given user using the specified
password. If host is "localhost", then a socket on the local file system
can be specified to connect to the server (several defaults will be tried if
none is specified). If the server is on a remote machine, then a port is
the port that the remote server is listening on.
*/
//bool MySqlConnectionInternal::db_connect(TQCString host, TQCString user,
// TQCString password, unsigned short int port, TQString socket)
bool MySqlConnectionInternal::db_connect(const KexiDB::ConnectionData& data)
{
if (!(mysql = mysql_init(mysql)))
return false;
KexiDBDrvDbg << "MySqlConnectionInternal::connect()" << endl;
TQCString localSocket;
TQString hostName = data.hostName;
if (hostName.isEmpty() || hostName.lower()=="localhost") {
if (data.useLocalSocketFile) {
if (data.localSocketFileName.isEmpty()) {
//! @todo move the list of default sockets to a generic method
TQStringList sockets;
#ifndef TQ_WS_WIN
sockets.append("/var/lib/mysql/mysql.sock");
sockets.append("/var/run/mysqld/mysqld.sock");
sockets.append("/tmp/mysql.sock");
for(TQStringList::ConstIterator it = sockets.constBegin(); it != sockets.constEnd(); it++)
{
if(TQFile(*it).exists()) {
localSocket = ((TQString)(*it)).local8Bit();
break;
}
}
#endif
}
else
localSocket = TQFile::encodeName(data.localSocketFileName);
}
else {
//we're not using local socket
hostName = "127.0.0.1"; //this will force mysql to connect to localhost
}
}
/*! @todo is latin1() encoding here valid? what about using UTF for passwords? */
const char *pwd = data.password.isNull() ? 0 : data.password.latin1();
mysql_real_connect(mysql, hostName.latin1(), data.userName.latin1(),
pwd, 0, data.port, localSocket, 0);
if(mysql_errno(mysql) == 0)
return true;
storeResult(); //store error msg, if any - can be destroyed after disconnect()
db_disconnect();
// setError(ERR_DB_SPECIFIC,err);
return false;
}
/*! Disconnects from the database.
*/
bool MySqlConnectionInternal::db_disconnect()
{
mysql_close(mysql);
mysql = 0;
KexiDBDrvDbg << "MySqlConnection::disconnect()" << endl;
return true;
}
/* ************************************************************************** */
/*! Selects dbName as the active database so it can be used.
*/
bool MySqlConnectionInternal::useDatabase(const TQString &dbName) {
//TODO is here escaping needed?
return executeSQL("USE " + dbName);
}
/*! Executes the given SQL statement on the server.
*/
bool MySqlConnectionInternal::executeSQL(const TQString& statement) {
// KexiDBDrvDbg << "MySqlConnectionInternal::executeSQL: "
// << statement << endl;
TQCString queryStr=statement.utf8();
const char *query=queryStr;
if(mysql_real_query(mysql, query, strlen(query)) == 0)
{
return true;
}
storeResult();
// setError(ERR_DB_SPECIFIC,mysql_error(m_mysql));
return false;
}
TQString MySqlConnectionInternal::escapeIdentifier(const TQString& str) const {
return TQString(str).tqreplace('`', "'");
}
//--------------------------------------
MySqlCursorData::MySqlCursorData(KexiDB::Connection* connection)
: MySqlConnectionInternal(connection)
, mysqlres(0)
, mysqlrow(0)
, lengths(0)
, numRows(0)
{
mysql_owned = false;
}
MySqlCursorData::~MySqlCursorData()
{
}
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